Developer utilities, one platform
All-in-one developer utilities — fast, private, daily-use tools. Format JSON, convert files, handle ITR paperwork — all at stacksutra.in.
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Popular Developer Tools
JSON Beautifier
Format, validate, and beautify JSON instantly in your browser.
JSON Validator
Validate JSON syntax and check for errors instantly.
Regex Tester
Test regular expressions with live match highlighting.
JWT Decoder
Decode JWT tokens locally — header, payload, and claims.
Base64 Encoder
Encode text to Base64 instantly.
UUID Generator
Generate random UUIDs (v4) instantly.
Timestamp Converter
Convert Unix timestamps to dates and back.
Image to PDF
Convert images to PDF documents.
CSV to JSON
Convert CSV data to JSON arrays.
Image Compressor
Compress images without uploading to a server.
Rent Receipt Generator
Generate rent receipt templates for HRA claims.
Explain JSON / API Response
Understand JSON structure, types, and nested fields instantly.
Regex from Plain English
Generate regex patterns from natural language descriptions.
AI Developer News
Latest AI news, releases, and updates for developers.
Developer Tools
View allJSON Beautifier
Format, validate, and beautify JSON instantly in your browser.
JSON Validator
Validate JSON syntax and check for errors instantly.
JSON Minifier
Compress JSON by removing whitespace for smaller payloads.
JSON Diff Checker
Compare two JSON objects side by side and find differences.
XML Formatter
Format and prettify XML documents with proper indentation.
YAML Formatter
Format and validate YAML configuration files.
SQL Formatter
Format SQL queries with proper indentation and keyword casing.
HTML Formatter
Format and indent HTML markup for readability.
File Conversion
View allDOC to PDF
Convert Word documents to PDF format.
PDF to DOC
Convert PDF files to editable Word documents.
JPG to PNG
Convert JPEG images to PNG format.
PNG to JPG
Convert PNG images to JPEG format.
Image to PDF
Convert images to PDF documents.
PDF to Image
Convert PDF pages to PNG or JPEG images.
CSV to JSON
Convert CSV data to JSON arrays.
JSON to CSV
Convert JSON arrays to CSV format.
AI Utilities
View allExplain JSON / API Response
Understand JSON structure, types, and nested fields instantly.
Explain Code Snippet
Get a quick overview of any code snippet's structure and purpose.
Code Language Converter
Convert code snippets between programming languages.
Regex from Plain English
Generate regex patterns from natural language descriptions.
Explain Errors
Understand stack traces and error messages with actionable hints.
Summarize Logs
Count errors, warnings, and extract key log lines from server output.
API Documentation Generator
Generate API docs from sample JSON responses.
SQL from Plain English
Generate SQL queries from natural language descriptions.
Finance & ITR Utilities
View allPetrol Bill Format Helper
Format petrol/fuel bills for reimbursement claims.
Driver Logbook Generator
Generate driver trip logbooks for reimbursement.
Travel Reimbursement Summary
Generate travel expense reimbursement summaries.
Expense Summary Converter
Convert expense lists into structured summaries.
Monthly Fuel Expense Calculator
Calculate and track monthly fuel expenses.
Rent Receipt Generator
Generate rent receipt templates for HRA claims.
HRA Helper
Calculate HRA exemption and taxable amounts.
Salary Slip Field Explainer
Understand every field on your salary slip.
Why developers use StackSutra daily
Built for the way developers actually work — fast, trustworthy, and always available.
Privacy-first
Dev tools run 100% in your browser. API keys and tokens never touch our servers.
Instant results
No queues, no waiting. Format, convert, and decode in milliseconds.
Auto-delete files
Server-processed files are automatically deleted within 1 hour. Always.
Pro when you need it
Bulk conversions, ad-free experience, and workspace features for power users.
Simple, honest pricing
Free for daily use. Pro for bulk, AI, and workspace features.
Free
Everything you need for daily dev tasks